Literary usage of Neanderthalian

Below you will find example usage of this term as found in modern and/or classical literature:

1.The Outline of History: Being a Plain History of Life and Mankind by Herbert George Wells (1920)"The tremendous advance they display upon their neanderthalian predecessors and
their special artistic gift must not blind us to their very obvious ..."

2.Our American Humorists by Thomas Lansing Masson (1922)"That Punch editor is typical of all makers of laughter from the first neanderthalian
man who sent his mate into guffaws by slipping on a discarded bit of ..."